Home / 130,811.13-196,245.94-47,705.13

Finding the Fourth Proportional to 130,811.13, 196,245.94 and 47,705.13

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Solution

The fourth proportional to 130,811.13, 196,245.94 and 47,705.13 is: 71,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,811.13 : 196,245.94 = 47,705.13 : x
  2. Step 2: Convert to fraction form
    130,811.13/196,245.94 = 47,705.13/x
  3. Step 3: Cross multiply
    130,811.13x = 196,245.94 × 47,705.13
  4. Step 4: Simplify right side
    130,811.13x = 9,361,936,979.18
  5. Step 5: Solve for x
    x = 9,361,936,979.18/130,811.13
  6. Step 6: Final answer
    x = 71,568.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.